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Any leglike appendage of a crustacean, when modified wholly, or in part, to serve as a jaw, esp. one of the maxillipeds.

including those forms which have a firm and usually branched axis, covered with a porous crust, or c

The brown crust formed upon a gratinated dish; also, dish itself, as crusts bread, game, or poultry.

ngage, in the Vocabulary. -- Green gland (Zoöl.), one of a pair of large green glands in Crustacea, supposed to serve as kidneys. They have their outlets at the bases of the larger antennæ. -- Green hand, a novice. [Colloq.] -- Green heart (Bot.), the wood of a lauraceous tree found in the West Indies and in South Am…

e cadmium sulphide, a mineral occurring in yellow hexagonal crystals, also as an earthy incrustation.

A small marine isopod crustacean (Limnoria lignorum or L. terebrans), which burrows into and rapidly destroys submerged timber, such as the piles of wharves, both in Europe and America.

The surface of the earth; the outer crust of the globe, or some indefinite portion of it. There was not a man to till the ground. Gen. ii. 5. The fire ran along upon the ground. Ex. ix. 23. Hence:

A slender outgrowth from the chitinous cuticle of insects, spiders, crustaceans, and other invertebrates. Such hairs are totally unlike those of vertebrates in structure, composition, and mode of growth.

A digestive gland in Crustacea, Mollusca, etc., usually called the liver, but different from the liver of vertebrates.

y for another. [Obs.] "We rest your hermits." Shak. Hermit crab (Zoöl.), a marine decapod crustacean of the family Paguridæ. The species are numerous, and belong to many genera. Called also soldier crab. The hermit crabs usually occupy the dead shells of various univalve mollusks. See Illust. of Commensal. -- Hermit t…

A genus of marine decapod crustaceans, which burrow rapidly in the sand by pushing themselves backward; -- called also bait bug. See Illust. under Anomura.

A division of phyllopod Crustacea, including those that are entirely covered by a bivalve shell.

A genus of decapod Crustacea, including the common lobsters. -- Hom"a*roid, a.

s, with some phosphate of lime; also, any similar substance, as that which forms the hoof crust of horses, sheep, and cattle; as, a spoon of horn.

ed waters in dissolving, redepositing, and otherwise producing mineral changes within the crust of the globe.

The lower lip of trilobites, crustaceans, etc.

A division of copepod crustaceans, including numerous species parasitic on fishes.

A thin crust of some extraneous substance formed on minerals. [R.] A thin crust or illinition of black manganese. Kirwan.

ng on others; not subordinate; as, few men are wholly independent. A dry, but independent crust. Cowper.

natural heat and excitement of arterial action; as, an inflammatory disease. Inflammatory crust. (Med.) Same as Buffy coat, under Buffy. -- Inflammatory fever, a variety of fever due to inflammation.